Activating this trainer

If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options

# Selected Unit Combat 
     NumPad1: Super Character
     NumPad2: Weak Character

# Gameplay 
     NumPad3: Game Speed

Editor Options

# Selected Unit Stats 
     HP
     SP
     Level
     XP
     ATK
     DEF
     INT
     RES
     HIT
     SPD
     Mana

# Currency 
     HL

# Time Played 
     Hours
     Minutes
     Seconds

Notes

Super Character:
Weak Character:
Use the cursor (wings) to highlight a unit, then press ENTER to select the unit.  If an enemy you can press the option key to affect it.  If an ally, select STATUS, then press the key to affect it.  May not affect ALL units.

HP:
For Selected Unit Stats, if at BASE, open MENU, select CHARACTER, then a specific UNIT, then select STATUS and the values will show up here.  If in COMBAT, use the cursor (wings) to highlight a unit, then press ENTER to select the unit.  If enemy the values will show, if not enemy, select STATUS and the values will show.